“To become aware of what is constant in the flux of nature and life is the first step in abstract thinking. The recognition of regularity in the courses of the heavenly bodies and in the succession of seasons first provides… — Hellmut and Richard Welhelm Copy Share Image
“To become aware of what is constant in the flux of nature and life is the first step in abstract thinking. The recognition of… — Hellmut and Richard Welhelm Copy Share Image
